Failed to build RestrictedIndicesNames INTERNAL SECURITY MAIN INDEX 7 index mappings – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.12-8.1

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Briefly, this error occurs when Elasticsearch fails to construct the restricted indices names due to issues with index mappings. This could be due to incorrect mapping configurations or incompatible data types. To resolve this issue, you can: 1) Review and correct your index mapping configurations, ensuring they match the data types of your documents. 2) Reindex your data with the correct mappings. 3) If the issue persists, consider deleting and recreating the index with the correct mappings. Always ensure to backup your data before making any changes to your indices.

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This guide will help you check for common problems that cause the log ” Failed to build ” + RestrictedIndicesNames.INTERNAL_SECURITY_MAIN_INDEX_7 + ” index mappings ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices, plugin.

Log Context

Log “Failed to build ” + RestrictedIndicesNames.INTERNAL_SECURITY_MAIN_INDEX_7 + ” index mappings” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


            return builder;
        } catch (IOException e) {
            logger.fatal("Failed to build " + RestrictedIndicesNames.INTERNAL_SECURITY_MAIN_INDEX_7 + " index mappings"; e);
            throw new UncheckedIOException(
                "Failed to build " + RestrictedIndicesNames.INTERNAL_SECURITY_MAIN_INDEX_7 + " index mappings";


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